This composite squid is redrawn from Roper, et al., 1969. Especially note the following:

Tentacular club with

• a broad (expanded) manus.
• trabeculate protective membranes on manus.
• armature in four series.
• hooks in one of the series.
• a dorsal keel on the dactylus.
• carpal-locking apparatus of suckers and knobs.

• right eye without a cornea ("oegopsid eye").
• left eye with a cornea ("myopsida eye").